Add Vinberg's algorithm #16629

Job	Run time
doctest (1.10, ubuntu-latest)	34m 34s
test (1.6, short, ubuntu-latest)	1h 16m 21s
doctest (1.11-nightly, ubuntu-latest)	31m 23s
test (1.6, long, ubuntu-latest)	52m 53s
doctest (nightly, ubuntu-latest)	30m 20s
doctest (1.10, ubuntu-latest, depwarn=error)	33m 57s
doctest (1.10, macOS, RPTU)	12m 15s
test (1.10, short, ubuntu-latest)	1h 2m 40s
test (1.10, long, ubuntu-latest)	47m 54s
test (1.11-nightly, short, ubuntu-latest)	54m 4s
test (1.11-nightly, long, ubuntu-latest)	52m 39s
test (nightly, short, ubuntu-latest)	54m 40s
test (nightly, long, ubuntu-latest)	54m 2s
test (1.10, short, ubuntu-latest, depwarn=error)	1h 2m 53s
test (1.10, long, ubuntu-latest, depwarn=error)	46m 31s
test (1.10, short, macOS, RPTU)	11m 18s
test (1.10, long, macOS, RPTU)	14m 38s
test (1.10, book, ubuntu-latest)	56m 1s
	13h 9m 3s

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